 At Carl Mechanicals Heating and Cooling, their factory-authorized technicians prioritize repairs first to save you money. Honest, affordable solutions for your family. Welcome to Carl Country. I'm Pam Werner, WBT Traffic. With the Independence holiday gearing up, another rush at Charlotte's airport. Things to go up a notch starting Tuesday at Charlotte Douglas. That's the start of the 4th of July holiday. Record-breaking numbers expected through July 8th. The airport's already setting records this year. Part of a nationwide trend that includes nearly